lisee787 lisee787

16-11-2020
Mathematics

contestada

takes 9 persons 8 hours to bake 150 cakes. How many hours does it take 12 persons to bake 375 cakes?

Respuesta :

hamuniruha hamuniruha

16-11-2020

Answer:

15 hrs

Step-by-step explanation:

9 persons = 150/8 = 18.75 cakes/hr

12 persons = x

x = 12×18.75/9 = 25 cakes/hr

25 cakes = 1 hr

375 cakes = y

y = 375/25 = 15 hrs

Therefore it takes 15 hrs to bake 375 cakes.

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